Don't worry, your details are secure with CPP Data Backup and they won't be passed on to anyone without your permission, but we need to know a few things from you for CPP Data Backup to work.
We need:
To backup your contacts, your phone needs unique settings to identify you and your phone. Your phone number, account identification number and sync password are unique to you and are necessary for the synchronisation to take place.
You will also need an account to be able to login to CPP Data Backup and view/edit your backed up contacts.